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Position of OV(s) in an fcc structure is...

Position of `OV_(s)` in an `fcc` structure is

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The correct Answer is:
B, C
Ovs are formed at the edge centre and body centre of fcc per unit cell.
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Position of octahedral voids in fcc structure is//are

Assertion (A) : In the rock salt type structure, all the `OV_(s)` are occupied by `Na^(o+)` ions.
Reason (R ) : Number of `OV_(s) =` Number of `Cl^(ɵ)` ions in the packing.

The coordination number of the fcc structure for metals is

The fcc structure is often called

Assertion : The packing efficiency is maximum for the fcc structure.
Reason : The cordination number is 12 in fcc structure.

Statement-1 : In ZnS zinc blende structure `Zn^(2+)` from FCC while alternate tetrahedral voids are occupied by `S^(2-)`.
Statement-2: Positions of `Zn^2+ and S^(2-)` in zinc blende structure are similar.

Select the correct statement(s) about FCC (ABCAB...) structure.

Assertion(A) : The packing efficiency is maximum for the fcc structure.
Reason ( R) : The coordination number is 12 in fcc structures.

Assertion (A) `:` The packing efficiency is maximum for the fcc structure.
Reason ( R ) `:` The co-ordination number is 12 in fcc structure.

क्रिस्टल पर दाब डालने से bcc संरचना fcc संरचना में बदल जाती है।

Position of octahedral voids in fcc structure is/are

In fcc structure octahedral voids are present at :

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